The thief entered the room without ______________.
A. noticing B. being noticed
C. having noticed D. having been noticed
The sports meeting we have been looking forward to ___________ finally.
A. comes B. come C. coming D. have come
He was busy writing the exam paper, only ___once in a while to check the time.
A. to stop B. stopping
C. to have stopped D. having stopped
After the earthquake, people _________ rebuilding their homes.
A. set off B. set about C. set out D. set up
___________by her classmates for fatness, she decided to go on a diet so as to lose weight.
A. To be annoyed B. To have been annoyed
C. Having been annoyed D. Having annoyed
It is reported that the United States uses _____ energy as the whole of Europe.
A. as twice B. twice much
C. twice much as D. twice as much
